...access a helper inside a view
Add the helper you want to use to your controller: classMyControllerextendsAppController{
public $helpers=array('html');
After this you can do the following inside your view: echo$html->url('my/index');// returns absolute urlecho$html->relUrl('my/index');// returns relative urlecho$html->url('http://somesite.com/foo?bla=1');// returns http://somesite.com/foo?bla=1